Which of the following organisms grows best at 42°C?

a. Streptococcus pneumonia
b. Haemophilus influenza
c. Neisseria gonorrhoeae
d. Campylobacter jejuni


D
C. jejuni grows best at 42°C. The remaining organisms are fastidious and require increased oxygen concentrations at 35° to 37°C.

Biology & Microbiology

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Indicate whether the statement is true or false.

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Among flowering plants, 30% to 80% of existing species are polyploidy somewhere within their evolutionary history

A. true B. false

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A species whose effect on biological diversity is disproportionate to their own abundance is termed:

a. predator. b. keystone. c. carnivore. d. producer. e. herbivore.

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Why is it important that humans attempt to control their numbers and begin to identify renewable resources?

What will be an ideal response?

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